Columbia Mutual Funds does have minimum balance requirements that can vary depending on the specific fund and account type you are considering. Generally, these minimums can apply to initial investments and subsequent contributions. For instance, some funds may have a minimum initial investment requirement, while others might have minimum balance thresholds that must be maintained over time.
It is important for investors to review the specific prospectus or information provided for the fund they are interested in, as this document will outline all relevant details, including any minimum balance requirements. Additionally, the Columbia Funds Group website often provides up-to-date information on account features and requirements. Therefore, it might be beneficial to check there for the most accurate and specific information regarding minimum balances required for your account.